MOA 2023-BLG-077

Event Parameters

Internal ID:gb9-R-3-163534
Discovery date:2023-03-22T19:54:40
RA:17:59:11.26
Dec:-29:13:57.58
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
158582 17:59:11.05 -29:13:59.15 16.41 ± 0.14 4.10
158639 17:59:11.13 -29:13:52.82 15.32 ± 0.07 4.86
158665 17:59:11.22 -29:13:56.32 16.00 ± 0.19 1.34
158753 17:59:11.37 -29:13:58.07 16.15 ± 0.11 1.44
158823 17:59:11.49 -29:13:55.02 17.58 ± 0.13 3.30

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 16.07 ± 0.03 3.34
2460246.896 (2023-Oct-29.396) 16.02 ± 0.03 3.01
2460246.906 (2023-Oct-29.406) 16.03 ± 0.04 3.35
2460246.918 (2023-Oct-29.418) 16.03 ± 0.05 3.54
2460246.927 (2023-Oct-29.427) 15.98 ± 0.05 3.37

Calibration: I = 27.40 - 2.5 log10(ΔF + 36307.81)

Single lens fit parameters

tmax =JD 2460026.50 ± 0.02 UT (2023-Mar-23.00)
tE =31.73 ± 6.89 days
u0 =0.0259 ± 0.0086
Ibase =20.96 ± 0.37

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice